[runtime] TailCallRuntime and CallRuntime should use default argument counts

src/ic/ppc/ic-compiler-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/ic/ic.h"
 #include "src/ic/ic-compiler.h"
 
 namespace v8 {
 namespace internal {
 
 #define __ ACCESS_MASM(masm)
 
 
 void PropertyICCompiler::GenerateRuntimeSetProperty(
     MacroAssembler* masm, LanguageMode language_mode) {
   __ mov(r0, Operand(Smi::FromInt(language_mode)));
   __ Push(StoreDescriptor::ReceiverRegister(), StoreDescriptor::NameRegister(),
           StoreDescriptor::ValueRegister(), r0);
 
   // Do tail-call to runtime routine.
-  __ TailCallRuntime(Runtime::kSetProperty, 4);
+  __ TailCallRuntime(Runtime::kSetProperty);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC